Pella — The NWS office in DSM conducted a severe weather conference call. Today’s call outlined a significant shift in where the moderate risk for severe weather is expected as compared to yesterday’s forecast. Marion County is now included in the moderate risk area. The bullet points for today’s call are below for your information. Another multimedia web briefing has been created to incorporate the forecast changes, and can be viewed at http://www.crh.noaa.gov/dmx/?n=webbriefing
We should expect a tornado watch to be issued prior to 3 PM that will likely include Marion County. School administrators are encouraged to monitor the weather conditions and maintain communications with the law enforcement officers that will be on hand at your games this evening. Those officers will have firsthand and updated information regarding late breaking information from the NWS office. Please advise if you have questions or concerns.
*all modes of severe weather (including tornados) across the western 2/3rds of Iowa.
* high probability of receiving large, damaging hail.
*moderate risk for tornado’s, this risk is particularly dangerous.
*conditions will likely be rapidly changing, so a heightened state of vigilance is recommended.
*line of strong/severe thunderstorms is expected to develop in south central Iowa between 2 and 5 PM today.
*NWS is strongly recommending that school districts have an action plan for this evening, as it is likely that this weather will impact some football venues and could require stadium evacuations.
*NWS also recommending that school administrators monitor weather sources while the events are ongoing, as conditions are expected to change rapidly.